Home / 13,697,908.32-18,901,493.04-7,898,595.36

Finding the Fourth Proportional to 13,697,908.32, 18,901,493.04 and 7,898,595.36

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Solution

The fourth proportional to 13,697,908.32, 18,901,493.04 and 7,898,595.36 is: 10,899,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,908.32 : 18,901,493.04 = 7,898,595.36 : x
  2. Step 2: Convert to fraction form
    13,697,908.32/18,901,493.04 = 7,898,595.36/x
  3. Step 3: Cross multiply
    13,697,908.32x = 18,901,493.04 × 7,898,595.36
  4. Step 4: Simplify right side
    13,697,908.32x = 149,295,245,222,816.28
  5. Step 5: Solve for x
    x = 149,295,245,222,816.28/13,697,908.32
  6. Step 6: Final answer
    x = 10,899,127.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.